Solar Nova

Solar Nova

If you like cluster-based action, the Solar Nova online slot takes this style of play to a whole new level. You’ll be given lots of ways to get paid and a forced wild on every single spin. With multiple wilds, free spins and other features, the action is fast and serious in this title.

Rating: 90% | Made By Iron Dog Studio | Reviewed On

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An Introduction to Solar Nova

Different trends in the online slots world are always emerging. When one becomes popular, we’ll see it pushed more and more until another comes along and takes its place. However, one trend that doesn’t seem to be going away ever is the cluster-based payout approach.

Solar Nova Main Screen
Solar Nova Main Screen

Iron Dog Studio’s Solar Nova video slot pushes this cluster-based style to a different level with tons of hot features.

When you take your first look at this game, you can immediately recognize the style. It uses gem-matching as a theme while it’s also set in outer space. We’ve seen plenty of titles use a similar visual style before. However, the crispness of the graphics and the larger than usual format puts this title a bit over the top compared to others in the sub-genre.

The gameplay is different as well. Instead of relying on the same set of traditional features that it seems like every title in this sub-genre uses, they’ve went with something a bit more advanced. Additionally, the variety of features includes different “spins” on old classics. As a result, you get a bit outside of the box to an extent. However, it’s not so far that it’s alienating to try to learn how to play the game for players.

Betting and Layout

Simply put, the layout for this game is huge. We don’t often see games with this many symbols on the board at once. However, this is perfect for this title because it makes it that much easier to hit winning clusters. Here’s what you can expect:

  • The overall grid of symbols has nine vertical columns. Nine horizontal rows are also used for a grand total of a tremendous 81 symbols on the game board at one time.
  • Clusters are created for wins in this game. However, the matching symbols making up the clusters have to be touching horizontally or vertically (or both) but not diagonally only.
  • Generally speaking, you need at least six matching symbols in a cluster for a payout.
  • Iron Dog Studio uses a ton of betting increments in this title. That makes it easy to find something that works for you as an individual.
  • With a super low minimum bet size of €0.10 per turn, this title fits within virtually everyone’s bankroll management requirements.
  • Additionally, you can wager as much as €50 per spin in this game as well.

We really like when a game offers a lot of ways to get paid and a lot of room for features to activate. The format really allows for this in a major way. Subsequently, the volatility is pretty tame in the medium-low range. However, if you choose to buy the bonus feature, the volatility of that purchase is much higher. We’ll get more into that down below.

Gameplay and Features

With the cluster-based style of the Solar Nova online slot, the wins come fairly quickly on such a large board. However, this higher hit-rate also includes some of the features because they’re based on hitting regular wins. Since this game has a number of different features available, we suggest reading our breakdowns down below. This will make it a lot easier to hop in and get started with your play.

Solar Nova Special Symbols
Solar Nova Special Symbols

Tumble Feature

This slot uses a tumble feature to make it easier to get multiple wins on the same paid spin. When you activate this feature by getting any win, the winning symbols disappear after they pay out. From there, you’ll see empty space on the board be filled by symbols falling from above.

After the entire 81-spot grid is completely refilled, you’ll be given another opportunity to get wins. This process continues as long as you get new wins. It’s also worth noting that Iron Dog Studio has put no limit on the number of tumbles you can get in a row, so it’s really just up to how many payouts you can land in a row.

Solar Flare Feature

You’ll notice that a solar wild symbol is always positioned in the middle position of the game board. It stays there at the beginning of all spins to make it easier to get winning combinations. Additionally, this has the effect of increasing your hit-rate and subsequently lowering the volatility.

This wild can also activate the Solar Flare feature. On any random spin with no wins, you can randomly trigger this feature. Additionally, no particular set of symbols are required on the game board to make that happen.

When this Solar Flare triggers, any of the central branches (highlighted on the game board) that lead up to the middle position can turn into a matching symbol. However, this can also trigger at random no matter if you have wins or not in the free spins mode.

Rocket Wilds and Teleportations

The rocket wild is another wild in this game. It can show up at random to help you get wins just like the solar wild. However, it can also be randomly set off and can teleport across the game board. When this happens, it will switch places with another symbol in another position to boost your chances of winning.

You can only get one teleportation on each tumble. Additionally, in the free spins mode, the rockets will move after every tumble to give you increasing chances of winning. They also have multipliers that increment by a factor of one if a rocket helps with a win on each tumble. However, these multipliers reset at the beginning of the next regular spin.

Solar Nova Buy Feature
Solar Nova Buy Feature

Solar Nova Free Spins

The Solar Nova slot free spins are triggered when three rocket wilds appear on the board at the same time. You start with a multiplier for each rocket, and it increases by one for each win that it helps you to get. Note also that no maximum is put in place for the rocket multipliers in this feature.

We also want to point out that you have the ability to purchase the free spins bonus round. You have three different options for how you can start this feature, and they each have different costs based on a multiple of the total amount wagered:

  • Level One (90x Cost) – Three Starting Rockets, 1x Starting Multiplier
  • Level Two (250x Cost) – Four Starting Rockets, 1x Starting Multiplier
  • Level Three (300x Cost) – Three Starting Rockets, 5x Starting Multiplier

It’s important to note that in the Solar Nova video slot, all three of these options have the same return to player percentage as the regular game mode. Additionally, they all have the same house advantage as a percentage of your wager.

How to Win at Solar Nova

The regular game mode of this title has a medium-low volatility, which translates to milder swings than usual. As a result, you do have the option to slightly increase your bet size if you want to increase the effective volatility. However, if you go with this option (and it is completely optional), you should only increase your bet size by about 25 to 33 percent. That will be plenty to achieve the desired effect.

With the options to purchase the Solar Nova online slot free spins mode, we suggest dropping your bet down quite a bit. The volatility is higher with this approach by quite a bit even though the return to player percentage is the same.

Payout Structure for Solar Nova

Seven different gem symbols are used in this game. Additionally, winning combinations of 25 or more all have the same payouts. The best win is 800x for 25+ of the diamond gems. From there, the square pink gems and octagon purple symbols get you 500x and 400x, respectively, for 25 or more of a kind.

Solar Nova Payouts
Solar Nova Payouts

Yellow triangle gems can get you 360x for 25 or more. However, things continue to stay pretty balanced as you get down to the lower end of the pay table. For the green, teal and blue gems, the payouts are 300x, 200x and 100x, respectively. Additionally, you can tell how balanced the pay table is by how smooth the drops are between top wins.


This slot is a perfect part of Iron Dog Studio’s overall portfolio because its tremendous gameplay experience. The value of the selection of features in this slot is serious enough that you will definitely not get bored looking for them to trigger. If action is the thing you’re looking for, then you’ll absolutely enjoy the play style that this title brings to the table.

As an aside, we like how they incorporated the space theme into the features. Both the solar and rocket wilds make sense and weren’t just throwaway ideas to “check some boxes” for the features for this game.


Which online casinos have Solar Nova?

Use the list of Solar Nova casinos to see all online casinos that have Solar Nova. We filter the casino top list to only show Solar Nova casinos that accept players from your location.

What is the Return to Player (RTP) for Solar Nova?

The Solar Nova RTP is 96.0%. An RTP of 96.0% puts Solar Nova among slots with an average Return to Players. To be a high RTP slot it would have to be 98% or more.